1 /* crypto/asn1/t_pkey.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 * Binary polynomial ECC support in OpenSSL originally developed by
61 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
66 #include <openssl/objects.h>
67 #include <openssl/buffer.h>
68 #include <openssl/bn.h>
69 #ifndef OPENSSL_NO_RSA
70 #include <openssl/rsa.h>
73 #include <openssl/dh.h>
75 #ifndef OPENSSL_NO_DSA
76 #include <openssl/dsa.h>
79 #include <openssl/ec.h>
82 static int print(BIO *fp,const char *str, const BIGNUM *num,
83 unsigned char *buf,int off);
84 static int print_bin(BIO *fp, const char *str, const unsigned char *num,
86 #ifndef OPENSSL_NO_RSA
87 #ifndef OPENSSL_NO_FP_API
88 int RSA_print_fp(FILE *fp, const RSA *x, int off)
93 if ((b=BIO_new(BIO_s_file())) == NULL)
95 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
98 BIO_set_fp(b,fp,BIO_NOCLOSE);
99 ret=RSA_print(b,x,off);
105 int RSA_print(BIO *bp, const RSA *x, int off)
109 unsigned char *m=NULL;
114 buf_len = (size_t)BN_num_bytes(x->n);
116 if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
119 if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
122 if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
125 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
128 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
131 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
134 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
137 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
140 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
146 if(!BIO_indent(bp,off,128))
148 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
153 BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
155 BUF_strlcpy(str,"modulus:",sizeof str);
156 if (!print(bp,str,x->n,m,off)) goto err;
157 s=(x->d == NULL)?"Exponent:":"publicExponent:";
158 if (!print(bp,s,x->e,m,off)) goto err;
159 if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
160 if (!print(bp,"prime1:",x->p,m,off)) goto err;
161 if (!print(bp,"prime2:",x->q,m,off)) goto err;
162 if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
163 if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
164 if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
167 if (m != NULL) OPENSSL_free(m);
170 #endif /* OPENSSL_NO_RSA */
172 #ifndef OPENSSL_NO_DSA
173 #ifndef OPENSSL_NO_FP_API
174 int DSA_print_fp(FILE *fp, const DSA *x, int off)
179 if ((b=BIO_new(BIO_s_file())) == NULL)
181 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
184 BIO_set_fp(b,fp,BIO_NOCLOSE);
185 ret=DSA_print(b,x,off);
191 int DSA_print(BIO *bp, const DSA *x, int off)
193 unsigned char *m=NULL;
198 buf_len = (size_t)BN_num_bytes(x->p);
200 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
203 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
206 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
209 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
212 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
215 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
219 if (x->priv_key != NULL)
221 if(!BIO_indent(bp,off,128))
223 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
227 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
229 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
231 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
232 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
233 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
236 if (m != NULL) OPENSSL_free(m);
239 #endif /* !OPENSSL_NO_DSA */
241 #ifndef OPENSSL_NO_EC
242 #ifndef OPENSSL_NO_FP_API
243 int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
248 if ((b=BIO_new(BIO_s_file())) == NULL)
250 ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
253 BIO_set_fp(b, fp, BIO_NOCLOSE);
254 ret = ECPKParameters_print(b, x, off);
259 int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
264 if ((b=BIO_new(BIO_s_file())) == NULL)
266 ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
269 BIO_set_fp(b, fp, BIO_NOCLOSE);
270 ret = EC_KEY_print(b, x, off);
276 int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
278 unsigned char *buffer=NULL;
280 int ret=0, reason=ERR_R_BIO_LIB;
282 const EC_POINT *point=NULL;
283 BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
284 *order=NULL, *cofactor=NULL;
285 const unsigned char *seed;
288 static const char *gen_compressed = "Generator (compressed):";
289 static const char *gen_uncompressed = "Generator (uncompressed):";
290 static const char *gen_hybrid = "Generator (hybrid):";
294 reason = ERR_R_PASSED_NULL_PARAMETER;
298 if (EC_GROUP_get_asn1_flag(x))
300 /* the curve parameter are given by an asn1 OID */
303 if (!BIO_indent(bp, off, 128))
306 nid = EC_GROUP_get_curve_name(x);
310 if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
312 if (BIO_printf(bp, "\n") <= 0)
317 /* explicit parameters */
319 point_conversion_form_t form;
320 int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
322 if (tmp_nid == NID_X9_62_characteristic_two_field)
325 if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
326 (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
327 (cofactor = BN_new()) == NULL)
329 reason = ERR_R_MALLOC_FAILURE;
335 if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
337 reason = ERR_R_EC_LIB;
341 else /* prime field */
343 if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
345 reason = ERR_R_EC_LIB;
350 if ((point = EC_GROUP_get0_generator(x)) == NULL)
352 reason = ERR_R_EC_LIB;
355 if (!EC_GROUP_get_order(x, order, NULL) ||
356 !EC_GROUP_get_cofactor(x, cofactor, NULL))
358 reason = ERR_R_EC_LIB;
362 form = EC_GROUP_get_point_conversion_form(x);
364 if ((gen = EC_POINT_point2bn(x, point,
365 form, NULL, ctx)) == NULL)
367 reason = ERR_R_EC_LIB;
371 buf_len = (size_t)BN_num_bytes(p);
372 if (buf_len < (i = (size_t)BN_num_bytes(a)))
374 if (buf_len < (i = (size_t)BN_num_bytes(b)))
376 if (buf_len < (i = (size_t)BN_num_bytes(gen)))
378 if (buf_len < (i = (size_t)BN_num_bytes(order)))
380 if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
383 if ((seed = EC_GROUP_get0_seed(x)) != NULL)
384 seed_len = EC_GROUP_get_seed_len(x);
387 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
389 reason = ERR_R_MALLOC_FAILURE;
393 if (!BIO_indent(bp, off, 128))
396 /* print the 'short name' of the field type */
397 if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
403 /* print the 'short name' of the base type OID */
404 int basis_type = EC_GROUP_get_basis_type(x);
408 if (!BIO_indent(bp, off, 128))
411 if (BIO_printf(bp, "Basis Type: %s\n",
412 OBJ_nid2sn(basis_type)) <= 0)
415 /* print the polynomial */
416 if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
422 if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
425 if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
427 if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
429 if (form == POINT_CONVERSION_COMPRESSED)
431 if ((gen != NULL) && !print(bp, gen_compressed, gen,
435 else if (form == POINT_CONVERSION_UNCOMPRESSED)
437 if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
441 else /* form == POINT_CONVERSION_HYBRID */
443 if ((gen != NULL) && !print(bp, gen_hybrid, gen,
447 if ((order != NULL) && !print(bp, "Order: ", order,
448 buffer, off)) goto err;
449 if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
450 buffer, off)) goto err;
451 if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
457 ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
473 OPENSSL_free(buffer);
477 int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
479 unsigned char *buffer=NULL;
481 int ret=0, reason=ERR_R_BIO_LIB;
482 BIGNUM *pub_key=NULL, *order=NULL;
484 const EC_GROUP *group;
485 const EC_POINT *public_key;
486 const BIGNUM *priv_key;
488 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
490 reason = ERR_R_PASSED_NULL_PARAMETER;
494 public_key = EC_KEY_get0_public_key(x);
495 if ((pub_key = EC_POINT_point2bn(group, public_key,
496 EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
498 reason = ERR_R_EC_LIB;
502 buf_len = (size_t)BN_num_bytes(pub_key);
503 priv_key = EC_KEY_get0_private_key(x);
504 if (priv_key != NULL)
506 if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
511 if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
513 reason = ERR_R_MALLOC_FAILURE;
517 if (priv_key != NULL)
519 if (!BIO_indent(bp, off, 128))
521 if ((order = BN_new()) == NULL)
523 if (!EC_GROUP_get_order(group, order, NULL))
525 if (BIO_printf(bp, "Private-Key: (%d bit)\n",
526 BN_num_bits(order)) <= 0) goto err;
529 if ((priv_key != NULL) && !print(bp, "priv:", priv_key,
532 if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
535 if (!ECPKParameters_print(bp, group, off))
540 ECerr(EC_F_EC_KEY_PRINT, reason);
548 OPENSSL_free(buffer);
551 #endif /* OPENSSL_NO_EC */
553 static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf,
559 if (num == NULL) return(1);
560 neg = (BN_is_negative(num))?"-":"";
561 if(!BIO_indent(bp,off,128))
565 if (BIO_printf(bp, "%s 0\n", number) <= 0)
570 if (BN_num_bytes(num) <= BN_BYTES)
572 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
573 (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
579 if (BIO_printf(bp,"%s%s",number,
580 (neg[0] == '-')?" (Negative)":"") <= 0)
582 n=BN_bn2bin(num,&buf[1]);
592 if(BIO_puts(bp,"\n") <= 0
593 || !BIO_indent(bp,off+4,128))
596 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
599 if (BIO_write(bp,"\n",1) <= 0) return(0);
604 static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
617 if (BIO_write(fp, str, off) <= 0)
621 if (BIO_printf(fp,"%s", name) <= 0)
624 for (i=0; i<len; i++)
629 memset(&(str[1]),' ',off+4);
630 if (BIO_write(fp, str, off+1+4) <= 0)
633 if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
636 if (BIO_write(fp,"\n",1) <= 0)
642 #ifndef OPENSSL_NO_DH
643 #ifndef OPENSSL_NO_FP_API
644 int DHparams_print_fp(FILE *fp, const DH *x)
649 if ((b=BIO_new(BIO_s_file())) == NULL)
651 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
654 BIO_set_fp(b,fp,BIO_NOCLOSE);
655 ret=DHparams_print(b, x);
661 int DHparams_print(BIO *bp, const DH *x)
663 unsigned char *m=NULL;
664 int reason=ERR_R_BUF_LIB,ret=0;
668 buf_len = (size_t)BN_num_bytes(x->p);
670 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
672 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
675 reason=ERR_R_MALLOC_FAILURE;
679 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
680 BN_num_bits(x->p)) <= 0)
682 if (!print(bp,"prime:",x->p,m,4)) goto err;
683 if (!print(bp,"generator:",x->g,m,4)) goto err;
686 if (BIO_printf(bp," recommended-private-length: %d bits\n",
687 (int)x->length) <= 0) goto err;
693 DHerr(DH_F_DHPARAMS_PRINT,reason);
695 if (m != NULL) OPENSSL_free(m);
700 #ifndef OPENSSL_NO_DSA
701 #ifndef OPENSSL_NO_FP_API
702 int DSAparams_print_fp(FILE *fp, const DSA *x)
707 if ((b=BIO_new(BIO_s_file())) == NULL)
709 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
712 BIO_set_fp(b,fp,BIO_NOCLOSE);
713 ret=DSAparams_print(b, x);
719 int DSAparams_print(BIO *bp, const DSA *x)
721 unsigned char *m=NULL;
722 int reason=ERR_R_BUF_LIB,ret=0;
726 buf_len = (size_t)BN_num_bytes(x->p);
728 if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
731 if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
733 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
736 reason=ERR_R_MALLOC_FAILURE;
740 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
741 BN_num_bits(x->p)) <= 0)
743 if (!print(bp,"p:",x->p,m,4)) goto err;
744 if (!print(bp,"q:",x->q,m,4)) goto err;
745 if (!print(bp,"g:",x->g,m,4)) goto err;
748 if (m != NULL) OPENSSL_free(m);
749 DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
753 #endif /* !OPENSSL_NO_DSA */
755 #ifndef OPENSSL_NO_EC
756 #ifndef OPENSSL_NO_FP_API
757 int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
762 if ((b=BIO_new(BIO_s_file())) == NULL)
764 ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
767 BIO_set_fp(b, fp, BIO_NOCLOSE);
768 ret = ECParameters_print(b, x);
774 int ECParameters_print(BIO *bp, const EC_KEY *x)
776 int reason=ERR_R_EC_LIB, ret=0;
778 const EC_GROUP *group;
780 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
782 reason = ERR_R_PASSED_NULL_PARAMETER;;
786 if ((order = BN_new()) == NULL)
788 reason = ERR_R_MALLOC_FAILURE;
792 if (!EC_GROUP_get_order(group, order, NULL))
794 reason = ERR_R_EC_LIB;
798 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
799 BN_num_bits(order)) <= 0)
801 if (!ECPKParameters_print(bp, group, 4))
807 ECerr(EC_F_ECPARAMETERS_PRINT, reason);